| trichobilharzia physellae (digenea: schistosomatidae) from endemic waterfowl on the high plains of texas. | adult trichobilharzia physellae were recovered from the liver and mesenteric veins of green-winged teal, anas creca, blue-winged teal, a. discors, and pintail, a. acuta, breeding on the high plains of texas. wild ducks naturally-infected with these schistosomes were emaciated with mild to severe atrophy of the breast musculature. the liver was considerably enlarged, pale and somewhat friable. numerous viable and dead t. physellae were recovered from the cut surface. on histologic examination, vi ... | 1982 | 7097873 |